There are some highly regarded composting toilets on the market, such as this one by Nature’s Head. But the sticker shock is extreme - this model is $1,900 CAD. They permit you to warehouse your poop for weeks at a time with no smell, provided you run the included small exhaust fan 24/7 through a hole you make in the side of your bus.I’ve taken quite a different approach. Imagine “stoop and scoop” if you trained your dog to poop right in the little bag. All you have to do is tie up the bag and throw it in the garbage (preferably an outoor bin.) As with the store-bought models, in my design pee is collected in its own vessel to be periodically decanted into a toilet.In this build I repurpose sheet metal I removed from under the windows in the bus. It’s non-porous and can be bent in a curve.I chose to use solid wood instead of plywood for the frame, for reasons both aesthetic and practical. This episode goes into some detail to show how to glue several narrower boards together to make a wide one.Click the image below to see episode17 on my YouTube channel. And while you’re there, click the Subscribe button so you don’t miss subsequent episodes.